.hgb-guest-notice {
    position: relative;
    padding: 20px 70px 20px 20px;
    background: #f9f9f9;
    border-left: 4px solid #007cba;
    margin-bottom: 20px;
}

.hgb-close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: #e0e0e0;
    border: 1px solid #ccc;
    border-radius: 3px;
    font-size: 10px;
    line-height: 1.2;
    cursor: pointer;
    color: #333;
    padding: 3px 8px;
    text-transform: uppercase;
    font-weight: 600;
    transition: background 0.2s ease;
}

.hgb-close-btn:hover {
    background: #d0d0d0;
    color: #000;
}